diff --git a/etc/reqs.txt b/etc/reqs.txt
index df74394b..baa1939c 100644
--- a/etc/reqs.txt
+++ b/etc/reqs.txt
@@ -1,3 +1,4 @@
+pytz>=2012
 Flask==0.9
 Flask-Babel==0.8
 Flask-Cache==0.10.1